Interserve Daily Update: Interserve is listed in the Support Services sector of the London Stock Exchange with ticker IRV. The last closing price for Interserve was 86p.Interserve has a 4 week average price of 54.70p and a 12 week average price of 54.70p.The 1 year high share price is 249.75p while the 1 year low share price is currently 52.75p.There are currently 144,424,260 shares in issue and the average daily traded volume is 3,264,029 shares. The market capitalisation of Interserve is £111,206,680.20.